/*

File: MasterViewController.m
Abstract: 
Controls the table and navigation between master and detail views.  


Version: 1.8

Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Inc.
("Apple") in consideration of your agreement to the following terms, and your
use, installation, modification or redistribution of this Apple software
constitutes acceptance of these terms.  If you do not agree with these terms,
please do not use, install, modify or redistribute this Apple software.

In consideration of your agreement to abide by the following terms, and subject
to these terms, Apple grants you a personal, non-exclusive license, under
Apple's copyrights in this original Apple software (the "Apple Software"), to
use, reproduce, modify and redistribute the Apple Software, with or without
modifications, in source and/or binary forms; provided that if you redistribute
the Apple Software in its entirety and without modifications, you must retain
this notice and the following text and disclaimers in all such redistributions
of the Apple Software.
Neither the name, trademarks, service marks or logos of Apple Inc. may be used
to endorse or promote products derived from the Apple Software without specific
prior written permission from Apple.  Except as expressly stated in this notice,
no other rights or licenses, express or implied, are granted by Apple herein,
including but not limited to any patent rights that may be infringed by your
derivative works or by other works in which the Apple Software may be
incorporated.

The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
COMBINATION WITH YOUR PRODUCTS.

IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR
DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF
CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF
APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Copyright (C) 2008 Apple Inc. All Rights Reserved.

*/

#import "MasterViewController.h"
// Need to import the AppDelegate because it owns the books array and we want access to that property.
#import "AppDelegate.h"
#import "DetailViewController.h"
#import "EditingViewController.h"
#import "AddViewController.h"
#import "Wine.h"
#import "YearPickerViewController.h"

// Manage the editing view controller from this class so it can be easily accessed from both the detail and add controllers.
static EditingViewController *__editingViewController = nil;

// Private interface for MasterViewController - internal only methods.
@interface MasterViewController ()

@property (nonatomic, retain) UITableView *tableView;
@property (nonatomic, retain) UINavigationController *addNavigationController;
@property (nonatomic, retain) DetailViewController *detailViewController;
@property (nonatomic, retain) AddViewController *addViewController;
@property (nonatomic, retain) YearPickerViewController  *yearPickerViewController;

@end

@implementation MasterViewController

@synthesize tableView, addNavigationController, detailViewController, addViewController, yearPickerViewController;

+ (EditingViewController *)editingViewController {
    // Instantiate the editin view controller if necessary.
    if (__editingViewController == nil) {
        __editingViewController = [[EditingViewController alloc] initWithNibName:@"EditingView" bundle:nil];
    }
    return __editingViewController;
}

- (void)dealloc {
    // Release allocated resources.
    [tableView release];
    [addNavigationController release];
    [super dealloc];
}

// Set up the user interface.
- (void)viewDidLoad {
    self.navigationItem.leftBarButtonItem = self.editButtonItem;

}

// Update the table before the view displays.
- (void)viewWillAppear:(BOOL)animated {
    [self.tableView reloadData];
}

// Invoked when the user touches Edit.
- (void)setEditing:(BOOL)editing animated:(BOOL)animated {
    // Updates the appearance of the Edit|Done button as necessary.
    [super setEditing:editing animated:animated];
    [self.tableView setEditing:editing animated:YES];
    // Disable the add button while editing.
    if (editing) {
        self.navigationItem.rightBarButtonItem.enabled = NO;
    } else {
        self.navigationItem.rightBarButtonItem.enabled = YES;
    }
}

- (IBAction)addWine:(id)sender {
    AddViewController *controller = self.addViewController;
    controller.wine = [[[Wine alloc] init] autorelease];
    if (addNavigationController == nil) {
        UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:controller];
        self.addNavigationController = navController;
        [navController release];
    }
    [self.navigationController presentModalViewController:addNavigationController animated:YES];
    [controller setEditing:YES animated:NO];
}

- (DetailViewController *)detailViewController {
    // Instantiate the detail view controller if necessary.
    if (detailViewController == nil) {
        detailViewController = [[DetailViewController alloc] initWithNibName:@"DetailView" bundle:nil];
    }
    return detailViewController;
}

- (AddViewController *)addViewController {
    // Instantiate the add view controller if necessary.
    if (addViewController == nil) {
        addViewController = [[AddViewController alloc] initWithNibName:@"DetailView" bundle:nil];
    }
    return addViewController;
}
// added this stuff to try and get year picker showing

- (YearPickerViewController *)yearPickerViewController {
	if (yearPickerViewController == nil) {
		
		yearPickerViewController = [[YearPickerViewController alloc] initWithAppDelegate:self];
		
	}
}

-(void)years {
	[addNavigationController pushViewController:yearPickerViewController animated:YES];
	
}

-(void)back{
	[addNavigationController popViewControllerAnimated:YES];	
}

-(id)initWithAppDelegate:(id)appDelegate {
	
	self =[super init];
	if (self !=nil){
		years=[[[UIBarButtonItem alloc]
				initWithTitle:@"Years"
				style:UIBarButtonItemStylePlain
				target: appDelegate
				action:@selector(years)]
			   autorelease];
		self.navigationItem.rightBarButtonItem=years;
		segmentedControl=[[UISegmentedControl alloc] initWithItems:nil];
		segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
		self.navigationItem.titleView=segmentedControl;
		segmentedControl.selectedSegmentIndex=0;
				
	}
	
	return self;
	
}

#pragma mark Table Delegate and Data Source Methods
// These methods are all part of either the UITableViewDelegate or UITableViewDataSource protocols.

// This table will always only have one section.
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tv {
    return 1;
}

// One row per book, the number of books is the number of rows.
- (NSInteger)tableView:(UITableView *)tv numberOfRowsInSection:(NSInteger)section {
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    return appDelegate.wines.count;
}

// The accessory type is the image displayed on the far right of each table cell. In order for the delegate method
// tableView:accessoryButtonClickedForRowWithIndexPath: to be called, you must return the "Detail Disclosure Button" type.
- (UITableViewCellAccessoryType)tableView:(UITableView *)tv accessoryTypeForRowWithIndexPath:(NSIndexPath *)indexPath {
    return UITableViewCellAccessoryDisclosureIndicator;
}

- (UITableViewCell *)tableView:(UITableView *)tv cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:@"MyIdentifier"];
    if (cell == nil) {
        // Create a new cell. CGRectZero allows the cell to determine the appropriate size.
        cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:@"MyIdentifier"] autorelease];
    }
    // Retrieve the book object matching the row from the application delegate's array.
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    Wine *wine = (Wine *)[appDelegate.wines objectAtIndex:indexPath.row];
    [cell.textLabel setText:wine.name];
//	cell.text = wine.name;
    return cell;
}

- (NSIndexPath *)tableView:(UITableView *)tv willSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    // Inspect the book (method defined above).
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    Wine *wine = [appDelegate.wines objectAtIndex:indexPath.row];
    DetailViewController *controller = self.detailViewController;
    // Retrieve the other attributes of the book from the database (if needed).
    [wine hydrate];
    // Set the detail controller's inspected item to the currently-selected wine.
    controller.wine = wine;
    // "Push" the detail view on to the navigation controller's stack.
    [self.navigationController pushViewController:controller animated:YES];
    [controller setEditing:NO animated:NO];
    return nil;
}

- (void)tableView:(UITableView *)tv commitEditingStyle:(UITableViewCellEditingStyle)editingStyle 
                forRowAtIndexPath:(NSIndexPath *)indexPath {
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    // If row is deleted, remove it from the list.
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Find the book at the deleted row, and remove from application delegate's array.
        Wine *wine = [appDelegate.wines objectAtIndex:indexPath.row];
        [appDelegate removeWine:wine];
        // Animate the deletion from the table.
        [self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] 
                withRowAnimation:UITableViewRowAnimationFade];
    }
}

@end

